Newsgroup: sci.geo.meteorology(updated on 22nd August 2008)
 for discussion of matters meteorological, with
an academic - scientific bias (U.S. dominated).
 This link to the Newsgroup is via Google Groups
but the group can also be accessed in the normal way through ones' ISP.

Heating & Cooling degree day data(added
on 21st August 2008)
 a site for house owners and others interested
in saving energy and heating costs (includes data for thousands
of weather stations world-wide)